package com.jt.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@CrossOrigin

public class PortController {
    //从spring容器获取数据
@Value("${server.port}")
private Integer port;
@GetMapping("/getPort")
public String getPort(){
    return "获取端口号"+port;

}
}
